Zobrazeno 1 - 10
of 120
pro vyhledávání: '"Oskar I. Koifman"'
Autor:
Evgenii N. Ivanov, Verónica Almeida-Marrero, Oskar I. Koifman, Viktor V. Aleksandriiskii, Tomas Torres, Mikhail K. Islyaikin
Publikováno v:
Molecules, Vol 28, Iss 15, p 5740 (2023)
New substituted [30]trithiadodecaazahexaphyrines (hemihexaphyrazines) were synthesized by a crossover condensation of 2,5-diamino-1,3,4-thiadiazole with 4-chloro-5-(2,6-diisopropylphenoxy)- or 4,5-bis-(2,6-diisopropylphenoxy)phthalonitriles. The comp
Externí odkaz:
https://doaj.org/article/7e9f8fb1fa8d4052be02f8ba1639d509
Autor:
Natalia Sh. Lebedeva, Yury A. Gubarev, Galina M. Mamardashvili, Svetlana V. Zaitceva, Sergey A. Zdanovich, Alena S. Malyasova, Julia V. Romanenko, Mikhail O. Koifman, Oskar I. Koifman
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
Abstract The pandemic infectious disease (Covid-19) caused by the coronavirus (SARS-CoV2) is spreading rapidly around the world. Covid-19 does an irreparable harm to the health and life of people. It also has a negative financial impact on the econom
Externí odkaz:
https://doaj.org/article/c200a0cb968e4e17bb469c87c4ffebb7
Autor:
Vladimir Burmistrov, Viktor Aleksandriiskii, Igor Novikov, Alena Batrakova, Dmitry Belykh, Olga Startseva, Oskar I. Koifman
Publikováno v:
Inorganics, Vol 11, Iss 1, p 24 (2023)
The experimental and theoretical study of the influence of metal complexing on geometry, aromaticity, chirality, and the ability to twist the nematic phase by complexes based on modified natural chlorin e6 was carried out. The geometry optimization o
Externí odkaz:
https://doaj.org/article/6e7283a9111f44179a3f362a339ea0be
Autor:
Alexei N. Kiselev, Olga K. Grigorova, Alexei D. Averin, Sergei A. Syrbu, Oskar I. Koifman, Irina P. Beletskaya
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 13, Iss 1, Pp 1524-1532 (2017)
The arylation of mono-, di- and tetra-meso-bromophenyl-substituted porphyrins with the heteroarenes containing “acidic” C–H bonds, such as benzoxazole, benzothiazole and N-methylimidazole was studied in the presence of three alternative catalyt
Externí odkaz:
https://doaj.org/article/593bd7a38f624014ab092539144588f6
Autor:
Maksim S. Mikhailov, Mahmoud Hamdoush, Mikhail K. Islyaikin, Oskar I. Koifman, Pavel A. Stuzhin
Publikováno v:
ARKIVOC, Vol 2017, Iss 3, Pp 130-139 (2017)
Externí odkaz:
https://doaj.org/article/a2514d3a64e44cf0971e9c537e40705b
Publikováno v:
Molecules, Vol 25, Iss 19, p 4368 (2020)
The problem of treating viral infections is extremely relevant due to both the emergence of new viral diseases and to the low effectiveness of existing approaches to the treatment of known viral infections. This review focuses on the application of p
Externí odkaz:
https://doaj.org/article/0acc382f094949ad84dbaed31e7ba1b2
Publikováno v:
Macroheterocycles. 16:43-57
Publikováno v:
Journal of Porphyrins and Phthalocyanines. 27:55-67
Hemihexaphyrazines can be considered as hexamembered porphyrinoids of the ABABAB type, where thiadiazole rings (A) and pyrrole-containing subunits (B) joined via aza bridges to form a macrocyclic system with an expanded coordination cavity capable of
Autor:
Oskar I. Koifman, Ekaterina D. Rychikhina, Vlad V. Travkin, Yury I. Sachkov, Pavel A. Stuzhin, Nikolay V. Somov, Pavel A. Yunin, Yuriy A. Zhabanov, Georgy L. Pakhomov
Publikováno v:
ChemPlusChem. 88
Autor:
Oskar I. Koifman, Tatyana A. Ageeva, Natalia S. Kuzmina, Vasilii F. Otvagin, Alexander V. Nyuchev, Alexey Yu. Fedorov, Dmitriy V. Belykh, Nataliya Sh. Lebedeva, Elena S. Yurina, Sergey A. Syrbu, Mikhail O. Koifman, Yury A. Gubarev
Publikováno v:
Macroheterocycles. 15:207-304